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27930 Nakamatsu (1997 GN6)
Classification: Main-belt Asteroid          SPK-ID: 2027930
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04644772744717958 8.1777e-08  
a 2.56432581827322 2.3881e-08 au
q 2.4452187115803 2.009e-07 au
i 6.824419657721098 7.9969e-06 deg
node 212.1269917943023 4.6799e-05 deg
peri 190.1227266965772 9.7819e-05 deg
M 63.74386779749715 7.8156e-05 deg
tp 2457334.920746857613
(2015-Nov-08.42074686)
0.00032747 JED
period 1499.885940950282
4.11
2.0952e-05
5.736e-08
d
yr
n .2400182508357369 3.3528e-09 deg/d
Q 2.68343292496614 2.499e-08 au
  Orbit Determination Parameters
   # obs. used (total)      583  
   data-arc span      6871 days (18.81 yr)  
   first obs. used      1997-04-02  
   last obs. used      2016-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .57896  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Feb-25 20:50:49  

Additional Information
 Earth MOID = 1.45164 au 
 Jupiter MOID = 2.50618 au 
 T_jup = 3.422 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.4 mag n/a MPO365583  

27930 Nakamatsu           Discovered 1997 Apr. 2 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Kathy Nakamatsu mentored a finalist in the 2012 Intel Science Talent Search, a science competition for high-school seniors. She teaches at the Saratoga High School, Saratoga, California.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20120506/MPCPages.arcLast Updated: 2012-05-09

[ show close-approach data ]
Alternate Designations
 1997 GN6 = 2001 FU161 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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